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计算机工程与应用 2004年第33期40卷 224-226页

作者：史文明中国科技大学研究生院北京100039

文章研究实现了一个基于视频流进程调度算法的CSCW视频子系统。系统特点采用了Winsock2.现视频组播通信,应用了360度全景成像技术和H.2.3视频编解码方案等。

关键词： CSCW 调度算法组播 360度成像

Two New Triterpenoid Saponins from the Seeds of Aesculus chinensis

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chinese Chemical Letters 2000年第2期11卷 139-142页

作者： Xiu Wei YANG Jing ZHAO Yu Xin CUI (National Laboratory of Natural and Biomimetic Drugs, beijing Medical university, beijing 100083) beijing Med Univ Natl Lab Nat & Biomimet Drugs Beijing 100083 Peoples R China

Two new triterpenoid saponins, named isoescins IIIa (1) and IIIb (2. were isolated from the seeds of Aesculus chinensis and identified by spectroscopic analysis and chemical hydrolysis. Their structures were established as 2. beta-tigloyl-2.-acetylbarringtogenol C-3 beta-O-[beta D-galactopyranosyl( 1-->2.] [beta-D-glucopyranosyl (1-->])1-beta-D-glucopyranosiduronic acid (1) and 2. beta-angeloyl-2.-acetylbarringtogenol C-3 beta-O-[beta-D;galactopyranosyl (1-->2.] [beta-D-glucopyranosyl(1 -->4)]-beta-D-glucopyranosiduronic acid (2., which are geometrically isomeric.

关键词： Aesculus chinensis isoescins IIIa and IIIb

Immune Homeostasis: Effects of chinese Herbal Formulae and Herb-Derived Compounds on Allergic Asthma in Different Experimental Models

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chinese Journal of Integrative Medicine 2018年第5期24卷 390-398页

作者： UU Lu1 2.WANG Lin-peng1 HE Shan3 MA Yan2.3 Acupuncture and Moxibustion Department Beijing Hospital of Traditional Chinese Medicine Capital Medical University university Course of Traditional chinese Medicine Medical University of Vienna Molecular Research in Traditional chinese Medicine Group Department of Pathophysiology and Allergy Research Vienna General Hospital Medical University of Vienna

Allergic asthma is thought to arise from an imbalance of immune regulation, which is characterized by the production of large quantities of Ig E antibodies by B cells and a decrease of the interferon-γ/interleukin-4(Th1/Th2. ratio. Certain immunomodulatory components and chinese herbal formulae have been used in traditional herbal medicine for thousands of years. However, there are few studies performing evidence-based chinese medicine(CM) research on the mechanisms and efficacy of these drugs in allergic asthma. This review aims to explore the roles of chinese herbal formulae and herb-derived compounds in experimental research models of allergic asthma. We screened published modern CM research results on the experimental effects of chinese herbal formulae and herb-derived bioactive compounds for allergic asthma and their possible underlying mechanisms in English language articles from the Pub Med and the Google Scholar databases with the keywords allergic asthma, experimental model and chinese herbal medicine. We found 2. chinese herb species and 31 herb-derived anti-asthmatic compounds as well as 12.chinese herbal formulae which showed a reduction of airway hyperresponsiveness, allergen-specific immunoglobulin E, inflammatory cell infiltration and a regulation of Th1 and Th2.cytokines in vivo, in vitro and ex vivo, respectively. chinese herbal formulae and herbderived bioactive compounds exhibit immunomodulatory, anti-inflammatory and anti-asthma activities in different experimental models and their various mechanisms of action are being investigated in modern CM research with genomics, proteomics and metabolomics technologies, which will lead to a new era in the development of new drug discovery for allergic asthma in CM.

关键词： immune homeostasis chinese herbal medicine allergic asthma experimental model database

Evolution of plant microRNA gene families

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Cell Research 2007年第3期17卷 212-218页

作者： Aili Li~1 Long Mao~(1,2. ~1Institute of Crop Sciences,chinese academy of Agricultural Sciences and The National Key Facility for Crop Gene Resources and Genetic Improvement (NFCRI),Beoing 100081,{2. ~2.epartment of Biological Sciences,Northern Illinois university,DeKalb,IL 60115,USA Institute of Crop Sciences Chinese Academy of Agricultural Sciences and The National Key Facility for Crop Gene Resources and Genetic Improvement (NFCRI) Beijing 100081 China.

MicroRNAs(miRNAs)are important post-transcriptional regulators of their target genes in plants and animals,miR-NAs are usually 2.-2. nucleotides *** their unusually small sizes,the evolutionary history of miRNA genefamilies seems to be similar to their protein-coding *** contrast to the small but abundant miRNA familiesin the animal genomes,plants have fewer but larger miRNA gene *** of plant miRNA gene familiesare often highly similar,suggesting recent expansion via tandem gene duplication and segmental duplication *** many miRNA genes are conserved across plant species,the same gene family varies significantly in size andgenomic organization in different species,which may cause dosage effects and spatial and temporal differences in targetgene *** this review,we summarize the current progress in understanding the evolution of plant miRNA genefamilies.

关键词： microRNAs post-transcriptional regulation tandem duplication segmental duplication

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铈在低硫铌钛钢中的微合金化作用

中国稀土学报 2004年第5期22卷 665-669页

作者：朱兴元石勤林勤武汉理工大学材料学院湖北武汉430070 北京科技大学物理化学系北京100083

在实验室条件下采用50kg真空感应炉冶炼和两段控制轧制工艺,采用THERMECMASTOR Z热模拟机对过冷奥氏体连续冷却转变曲-tAr1)温度区间增大;并使钢的CCT曲线右移,并且使(tAr3线进行了测定,试验结果表明,低硫铌钛钢中稀土铈能提高钢的临界... 详细信息

在实验室条件下采用50kg真空感应炉冶炼和两段控制轧制工艺,采用THERMECMASTOR Z热模拟机对过冷奥氏体连续冷却转变曲-tAr1)温度区间增大;并使钢的CCT曲线右移,并且使(tAr3线进行了测定,试验结果表明,低硫铌钛钢中稀土铈能提高钢的临界点tAr3和tAr1和上移,降低了钢的淬透性;铈会使贝氏体转变点升高,同时加大了贝氏体转变间隔;当冷却速度较高时,稀土使马氏体由粗条状变为细条状,降低了Ms点,并且增强了马氏体结构的板条化趋势,抑制了片状晶生成。

关键词：铌钛钢组织相变稀土

Competition effect of Cogon grass,Imperata cylindrica to Crofton weed,Ageratina adenophora

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Competition effect of Cogon grass,Imperata cylindrica to Cro...

Blockade of paeoniflorin on sodium current in mouse hippocampal CA1 neurons

第三届全国生物入侵大会

作者： Fu-rong Gui~1,Zheng-yue Li~1,Fang-hao Wan~(2.) 1.College of Plant Protection,Yunnan Agricultural university,Kunming 6502.1,china 2.Institute of Plant Protection,{2. academy of Agricultural Sciences,beijing 100081,china

Invasive alien species are the most important indicators of environmental change worldwide;it may cause environmental degradation,biodiversity loss,food and water shortage,and high possibility and severity of natural *** in management of invasive species has grown rapidly in the recent years,and it is a good way to replace invaded plant by utilizing valuable native *** competition effects between the native Gramineous plant,Cogon grass,Imperata cylindrical and the invasive Compositae plant,Crofton weed,Ageratina adenophora were analyzed in the present study to provide basis for control of this invasive plant The results showed that,there was significant mutual antagonism between *** and *** relative competitive ability of *** was higher than that of ***,which heavily suppressed the growth of *** by shoot *** to ***,the seedlings of *** were germinated faster, and its plant height and average leaf area were *** culture with *** may restrain growth and tillering of ***,and the plant height,average leaf area and chlorophyll content were 49%,72.and 77%of those in monoculture,*** there no significant influence on *** for mixed culture with ***,furthermore,the tillering of *** can be *** relative yield(RY) of *** was significantly higher than those of A. adenophora,and the relative yield total(RYT) was significantly lower than *** relationships mentioned above may become more obvious with the prolonged time of mixed culturing.

关键词： Ageratina adenophora Imperata cylindrical Relative yield Competition effect Replacement control

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Acta Pharmacologica Sinica 2003年第12期24卷 74-78页

作者： ZHANG Guang-Qin, HAO Xue-Mei, CHEN Shi-Zhong~1, ZHOU Pei-Ai, CHENG He-Ping, WU Cai-Hong~2.State Key Laboratory of Biomembrane and Membrane Biotechnology, College of Life Sciences, Peking university, beijing 100871 ~1Department of Traditional {2. Medicine, School of Pharmaceutical Science, Peking university, beijing 100083, china State Key Laboratory of Biomembrane and Membrane Biotechnology College of Life Sciences Peking University Beijing 100871

AIM: To study the blockade of paeoniflorin (Pae) on INain the acutely isolated hippocampus neurons of mice. METHODS: The whole-cell patch clamp technique was used. RESULTS: Pae inhibited INain frequency-dependent and concentration-dependent manners, with an IC50of 2.1μmol/L. Pae 0.3 mmol/L shifted the activation potential of the maximal INafrom -40 mV to -30 mV, shifted the steady-state activation and inactivation curves toward more positive and negative potentials by 10.8 mV, and 18.2.mV, respectively, and postponed the recovery of INainactivation state from (4.2.0.7) ms to (9.8±1.2. ms. CONCLUSION: Pae inhibited INain mouse hippocampus neurons.

关键词： hippocampus patch-clamp techniques paeoniflorin sodium channels

The Application of Fuzzy-Neural Network on Control Strategy of Hybrid Vehicles

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The Application of Fuzzy-Neural Network on Control Strategy ...

第二十七届中国控制会议

作者： Chen Rongguang 1,Li Chunsheng 2.Meng Xia 3,Yu Yongguang 3,4 1.Department of Electronic Information Engineering,Beihang university,beijing 100083,P.R.{2. 2.Department of Electronic Information Engineering,Beihang university,beijing 100083,P.R.{2. 3.Department of Mathematics,beijing Jiaotong university,beijing 10004.,P.R.{2. 4.Department of MEEM,City university of Hong Kong,Kowloon,Hong Kong SAR,P.R.{2.

In order to increase the fuel economy and decrease the emissions of hybrid vehicles,firstly a fuzzy logic control system is presented in this *** parallel hybrid vehicles,the whole required torque comes from internal combustion engine and motor engine *** on the desired torque for driving and state of charge,the fuzzy logic control system determines how the power splits between the dual sources,which is the key point for hybrid ***,Adaptive Neural-Fuzzy Inference System（ANFIS） method is applied to optimize fuzzy logic control system based on the data of driving cycle. The main contribution of this paper is well application of fuzzy-neural network to improve original control system,which minimized the fuel consumption and *** simulation results show very good performance of the proposed method.

关键词： Fuzzy logic controller Control strategy Hybrid electric vehicles

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Editorial

Science china(Life Sciences) 2010年第2期53卷 157-158页

作者： GenHong Cheng (1) YongJun Liu (2. Hong Tang (3) 1. Department of Microbiology Immunology & Molecular Genetics University of California Los Angeles 609 Charles E. Young Drive East Los Angeles California 90095 USA2. Department of Immunology and Center for Cancer Immunology Research University of Texas M.D. Anderson Cancer Center Houston Texas 77030 USA3. Key Laboratory of Infection and Immunity Institute of Biophysics Chinese Academy of Sciences Beijing 100101 China

SM (spatial multiplexing) can effectively increase the information rate in multiple input multiple output system. BLAST is the typical representation of SM, especially VBLAST, which has some simple de- tection algorithms such as ML, ZF-DFE and ML-DFE, etc. However, the existing algorithms cannot approach ML performance. This paper discusses the effect for detection performance by the correlation of channel ma- trix, proposes a new algorithm—HPML detection algorithm, which can approach ML performance with low complexity. In the new algorithm, we travel the first d layers, and use the DFE procedure for the remaining layers, then perform ML detection for all obtained signals. Simulation results show that HPML can approach ML performance when the traveling numbers are not less than half of the number of transmitting antennas, and the algorithm complexity is smaller than ML.

关键词： BLAST correlation of channel matrix ML detecting algorithm HPML detecting algorithm

Effective Components of chinese Herbal Compound Decoction and Maillard Reaction

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chinese Journal of Integrative Medicine 2009年第3期15卷 224-228页

作者：曹治云陈旭征张恩达杜建 Clinical graduate School of the Fujian academy of Integrative Medicine Fujian {2. of Traditional chinese Medicine Fujian Provincial Key Laboratory of Integrative Medicine(Fujian university of Traditional chinese Medicine)

This paper intends to explore the color changes considered to be Maillard reaction during the process of chinese herbal *** Maillard reaction products(MRPs) are often in substantial proportions of chinese herbal compound decoctions but their effects are often *** considering the effects of MRPs in studies of effective components on chinese herbal compounds,a new perspective is established in future researches of chinese herbal compound decoctions.

关键词： chinese herbal compound Maillard reaction effective components